| Business | Phone |
| All Season Heating & Cooling 1115 Johnson St, Keokuk 52632 | (319) 524-1631 |
| All Season Heating & Cooling 1115 Johnson St, Keokuk 52632 | (319) 795-1971 |
| Eagle Rest Heating & Air 2359 320th St, Keokuk 52632 | (319) 524-4345 |
| Enderle Heating & Air Cond 3533 Main St 6, Keokuk 52632 | (319) 524-8672 |
| Frank Millard Co Inc 3736 Main St, Keokuk 52632 | (319) 524-7951 |
| Hawley Heating & Air Cond 1200 Morgan St, Keokuk 52632 | (319) 524-6246 |
| Townsend Refrigeration & Ac 1028 Franklin St, Keokuk 52632 | (319) 524-4867 |
| Tri-State Heating & Electric 2336 Oak Hollow Ln, Keokuk 52632 | (319) 524-4575 |
| William J Kraus & Son 1012 Main St, Keokuk 52632 | (319) 524-3714 |